Financial Instruments and Fair Value Measurement - Effect of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	$ (6.1)	$ (0.3)	$ (11.2)	$ 7.3
Amount of (Gain) Loss Recognized in Statement of Operations	0.5	(0.4)	(2.6)	(0.9)
Commodity Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	(7.5)	(0.2)	(15.9)	2.5
Foreign Currency Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	1.4	(0.6)	(1.2)	(1.5)
Interest Rate Swap Agreements
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Accumulated Other Comprehensive Loss	0.0	0.5	5.9	6.3
Cost of Sales | Commodity Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	(1.4)	(0.5)	(6.8)	(0.4)
Other (Income) Expense, Net | Foreign Currency Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	(0.3)	(0.2)	(0.9)	(0.9)
Foreign Currency Contracts	(1.7)	1.9	(2.1)	3.3
Interest Expense, Net | Interest Rate Swap Agreements
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of (Gain) Loss Recognized in Statement of Operations	$ 2.2	$ 0.3	$ 5.1	$ 0.4